package com.cctv.order.controller;

import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.Arrays;

/**
 * @Author: cctv
 * @Date: 2019/6/13 16:02
 */
@RestController
@DefaultProperties(defaultFallback = "defaultFallback")
public class HystrixController {
    //默认提示
//    @HystrixCommand
    //指定提示
//    @HystrixCommand(fallbackMethod = "fallback")
//超时配置
//    @HystrixCommand(commandProperties = {@HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value="2100")})
//    @HystrixCommand(commandProperties = {
//            @HystrixProperty(name="circuitBreaker.enabled",value="true"),
//            @HystrixProperty(name="circuitBreaker.requestVolumeThreshold",value="10"),
//            @HystrixProperty(name="circuitBreaker.errorThresholdPercentage",value="60"),
//            @HystrixProperty(name="circuitBreaker.sleepWindowInMilliseconds",value="10000"),
//    })

    @HystrixCommand
    @GetMapping("/getProductInfoList")
    public String getProductInfoList(@RequestParam("number") Integer number) {
//        测试熔断
        if(number%2==0){
            return "success";
        }

        RestTemplate restTemplate = new RestTemplate();
        return restTemplate.postForObject("http://localhost:8081/product/listForOrder", Arrays.asList("157875196366160022"), String.class);
    }

    private String fallback() {
        return "太拥挤了，请稍后再试~~";
    }
    private String defaultFallback() {
        return "默认提示：太拥挤了，请稍后再试~~";
    }
}
